For me its honestly a ton of my work software (digital forensics), shit is too niche to be replaced by good FOSS options. Cellebrite, Magnet Axiom, etc. Autopsy is great and free and has a linux version but it simply cannot get the same level of data without a pretty nutty level of custom code.
And the biggest side effect of this is FUCKING WINDOWS. God I would replace this nightmare OS in a heartbeat if the aforementioned work software would make linux compatible versions. We have legitimately wasted 10k hours dealing with windows bullshit that would not be a problem in linux. Though im sure linux would take a different 10k for its own problems.
What about you guys? Doesn’t have to be work related, thats just the thorn in my side right now.
I would note that ChromeOS is mainstream with normal users and it is effectively a well curated, highly-opinionated Linux distribution. Distros like opensuse Aeon and Kalpa, and Fedora Silverblue, are going from well established platforms into the highly curated, highly-opinionated direction as well. Limited set of options that work well out of the box not prone to breaking, and explicitly not for tinkerers. I tend to think that if Linux is ever going to reach mainstream users (outside of ChromeOS), it will be through these bulletproof, opinionated distros that put bubble wrap around the user.