It isn't just property but also jobs and industries. Look at the vastly disproportionate amount of tears for coal miners. That feeling seems to apply to any way to make a living that they react hostility to being told is risky. Because everything is an investment and everything is a risk including not taking one.

I suspect it has to do with Calvinism essentially and the religious fixation of work as righteous and a guarantee such that anything going wrong is "bad things happening to good people" and a fundamental sign that things Aren't Right and Someone is to blame.

Actually, quite a few people (including myself) believe there is a vast gulf between doing actual work and making money off of the people doing actual work - aka investing in property (especially to rent it out) or stocks. I have little sympathy for people who get hosed doing the latter, but a great deal for the former.

There's no doubt coal miners have been used nihilistically as a political tool to conjure the aesthetic of being attached to the honest, hard-working underclass. Still they (and other workers who have been displaced) deserve support. It is very easy to diversify investments. Extremely difficult to diversify skills needed for a career.

I'd rather live in a society that held work as righteous rather than idleness. It seems to be a problem currently that we're paying many workers more to stay home than they'd normally make on the job, and their personal attitudes towards work are not enough to overcome this inverse monetary incentive. As Musk put it, the economy is not just a free flowing cornucopia of "stuff" that everyone has to squabble over. You gotta make "stuff".

Coal miners, to switch careers, probably have to uproot their lives, move to another state, and take a much lower paying job. It seems obvious why they'd resent being told to do that. Lucky for me software is going pretty good, but if you told me I had to go install solar panels on a roof in Scottsdale tomorrow I might be upset.

If someone makes less money working than they do on unemployment, the problem isn't that the unemployment payment is too generous, it's that their wages are too low.

"Someone makes less money working than they do on unemployment" isn't enough information to figure out which one is out of whack.

In a pandemic, incentivizing people to stay home instead of working is exactly what we should be doing.

100% this. Buying and renting a property (even just one) is a business venture. It is no more guaranteed to make you a profit than, say, opening a restaurant or starting your own plumbing business. Yet one frequently hears landlords talking as if something must obviously be wrong with the system if they are not making a profit.