Given the condition of my kids’ Chromebooks, that lifecycle is just right, plus Chromebooks were a fantastic investment. I did spend over $400 for “nice” (but not high end) Chromebooks, so they were lightweight, excellent battery, durable, and good performance. After 4-5 years, performance and battery are still good for a full school day, but they’re all dinged up, bent and mangled. They’ve been dropped, kicked, stuffed into things, had various liquids spilled into them, etc. they e done well to survive a hard life, but it’s time.
I could have gotten cheap Windows laptops for a similar price, that would not have done nearly as well, by every measure. What a waste that would have been