This statement is still true even with your trick. The vast majority of people don't know about this and also even if they did know about this it would be technically difficult for many of them who aren't tech savvy. This is a huge barrier that shouldn't be discounted.
Of them, 5 are actually available directly from the publisher so they shouldn't be listed as paywalls, and all of the remainder are available from at least one of Google Scholar/Google/Libgen; of the 60 actually-paywall papers, 54 are available from GS/G and only 6 force you to go all the way to Libgen. (I am taking the liberty of rehosting 10 of them myself, though, to get them into GS.)
Of the 65, notes on the ones not immediately available in GS:
> Density-functional thermochemistry. III. The role of exact exchange
Citation-only in Google Scholar but easily found in Google or SH/LG.
> Detection of specific sequences among DNA fragments separated by gel-electrophoresis
Paywall-only in Google Scholar, not immediately available in Google but easily gotten from SH/LG.
> Processing of X-ray diffraction data collected in oscillation mode
GS paywall-only, not in Google, but SH/LG.
> Isolation of biologically active ribonucleic acid from sources enriched in ribonuclease
Likewise.
> the attractions of proteins for small molecules and ions
Likewise.
> Helical microtubules of graphitic carbon
GS links to paywall but findable in G.
> A technique for radiolabeling DNA restriction endonuclease fragments to high specific activity
GS/G paywall but SH/LG.
> Phase annealing in SHELX-90: direct methods for larger structures
I am not sure why this one was listed as 'paywall' when it appears to be available directly from the publisher: http://journals.iucr.org/a/issues/1990/06/00/an0278/an0278.p...
> A study of the conditions and mechanism of the diphenylamine reaction for the colorimetric estimation of deoxyribonucleic acid
Also directly available: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1215910/pdf/bio...
> Multiple range and multiple F tests
Also directly available (possibly with a free JSTOR account but if not, SH/LG): https://www.jstor.org/stable/pdf/3001478.pdf
> A new look at the statistical model identification
GS paywall but G & SH/LG.
> Improved M13 phage cloning vectors and host strains: nucleotide sequences of the M13mpl8 and pUC19 vectors
Likewise.
> Nitric oxide: physiology, pathophysiology, and pharmacology
G/GS paywall but SH/LG.
> An algorithm for least-squares estimation of nonlinear parameters
GS paywall but G & SH/LG
> A low-viscosity epoxy resin embedding medium for electron microscopy
GS/G paywall but SH/LG.
> Continuous cultures of fused cells secreting antibody of predefined specificity
G, and directly available: http://www.jimmunol.org/content/jimmunol/174/5/2453.full.pdf
> Homeostasis model assessment: insulin resistance and β-cell function from fasting plasma glucose and insulin concentrations in man
Directly available: https://link.springer.com/content/pdf/10.1007/BF00280883.pdf
> I am not sure why this one was listed as 'paywall' when it appears to be available directly from the publisher: > http://journals.iucr.org/a/issues/1990/06/00/an0278/an0278.p...
It pops up a http authentication box for me.
> > Multiple range and multiple F tests
> Also directly available (possibly with a free JSTOR account but if not, SH/LG):
> https://www.jstor.org/stable/pdf/3001478.pdf
You can only view 3 free items every 14 days, wouldn't call that exactly freely available.
Might be referral-based. Try searching the title and going from the abstract.
> You can only view 3 free items every 14 days, wouldn't call that exactly freely available.
There's no verification of .edu addresses or anything, so you can make as many as you need. I wouldn't call that exactly paywalled either.
Eg: https://scholar.google.com/scholar?q=Tissue+sulfhydryl+group...
EDIT: My point here is that the statement in the article "the world’s most important research is inaccessible from the majority of the world" isn't exactly true. This isn't supposed to be an endorsement of academic publishing practices: if anything the fact that these publishers are effectively trying to scam readers out of money is all the more evident.