Myself I've had a smartphone for well over a decade, and my next phone will not be one. I'm done being a drone.
24/7 tracking and surveillance - all for the benefit of... not having to turn a knob on a thermostat.
Only seen burn in on CRTs that were arcade monitors displaying the same loop for 24 hours a day for decades. LCD? Never.
Our brief experience with OLED phone displays was just like you said, burn in in less than a year.
If it works for you and you're happy, good.
I'm just amused how these discussions always start with "OLED burn-in isn't a thing" and gradually evolve into a multi-page document on steps to take to avoid OLED burn-in.
Completely stupid and the deal-breaker that made me install Windows 10 on my new PCs that came with 11.
It's a "feature" designed by idiots who think PCs are nothing more than a way of bootstrapping Facebook.
There used to be a saying: "I don't agree with what you're saying, but I will defend your right to say it."
Now it's: "I don't agree with what you're saying, so I will do everything in my power to have you silenced, deplatformed, shamed, your livelihood taken from you, and your life ruined."