Meh, it's avoidable. I travel with a medium-big backpack as my only carry on, usually, and have never been gate-checked. The roller bags which barely fit in the overheads and have no compressibility are the ones that get gate checked.
So you travel for a meeting for a day and back? Ever travelled from warm weather to cold weather? Ever travelled to a place where you’ll need two types of shoes? Or multi city with different weathers, different engagements… I don’t know how you can believe that “you can just travel with a small backpack anywhere!” “If I did it, it must work for everyone!” “99% of the people have carry ons bigger than a backpack because they are stupid and literally do it for no reason”. Is that the logic you’re following? I don’t get it.
But also I've traveled for a month (us to India) from my backpack. One week of clothes, a laptop, some cables, notebook and pens, perhaps a couple more books, a few toiletries. And still some room for one 'fun' thing, like a small synthesizer to jam on.
It's a bit like ultralight backpacking; you can cut down quite a lot one you get in the mindset. I definitely don't claim it works for everyone... But probably most people can travel rather lighter than they normally do.
Fwiw, my travel backpack is pretty similar to this one. Definitely a bit bigger than the standard backpack, much smaller than a hiking backpack, and rather smaller than a roller bag.
