I’d compare it to the RSA encryption algorithm. It was classified as a weapon by the US and was banned from being spread internationally, so open source advocates put the source code basically everywhere. It was even printed on shirts
If you have a plan for your current phone, then yea it’s not much different. I think you’re touching on the larger point at hand, because individuals have a miniscule fraction of a percent when it comes to things like e-waste. The overproduction of electronics is a much larger portion of e-waste
For those considering getting this phone for sustainability reasons, just a reminder that the most sustainable option is to keep the phone you have until there’s something actually wrong with it