It is unreasonable to build tools for other people to use, that will break the user's expectation of consistent, reliable and safe use.
This is a not an abstract idea, this is a fundamental legal concept in the west.
If everyone using Ethereum was expecting these fees, and are fine with it, then good for them, and no harm no foul. But this approach will not scale to larger communities, and it is unreasonable, cruel, and legally wrong to put the burden of "they should have known how to avoid this" on the larger populace, which is, of course, what crypto evangelizes the ultimate end-goal to be.
This is where comments like soared comes in. "I hope you don't use public transit, electricity, plumbing, or breathe central air." A human being simply cannot function in society if we have to study local EPA data to know whether its safe to breathe along our commute to work, that our electricity will be safe to use with all of our devices, that my car won't explode if I press a button in a different way, and that I won't go bankrupt if I use my crypto card to pay for a meal.
Expecting everyone to research how every tool works before they use it fails Kants categorical imperative, because it is simply impossible for everyone one of us to research every tool we use given a finite lifetime. Hence the responses you are receiving here.
Given the historical context of these systems working reasonably well for decades, I've decided to take for granted that I won't get rugged by my public transit, or my electricity company, or the food in the grocery store. Still, I do assess tap water before I drink it, even in the US.
If you're the type of person who likes to blindly trust systems without studying them, that's fine; you can wait to partake in crypto until this sense of trust has been built. No one is holding a gun to your head and saying "run arbitrary code against your crypto holdings." Yet people do it. This is their fault. If they don't want to take the time to study the code, then they should have waited until the community did the due diligence for them to whatever is their own personal level of satisfaction.
The problem is as soon as you argue for (2) everyone reacts like you're the most evil, heartless person on the planet.
And the responses you're giving of "just be risk aware/just read the source code/just know what you're getting into" doesn't change that, doesn't educate the people who probably and realistically could benefit, and it doesn't change the fact that there is a LOT of obfuscation, misinformation and mishandling of trust going on in order to separate people from their actual fungible money.
I just don't trust....90% of the people, platforms and providers who claim that's what they're doing via crypto.
I'm just saying take responsibility for your own actions and your own decisions. The world doesn't owe you anything. Such statements are not incompatible with improving the standard of living for everyone, even those who are actively liabilities.