Because there is practically no risk of damaging the device and bricking it. If you knew anything about the the distribution, it’s inhalation and android you’d know that the risk is almost nonexistent and reversible. I understand you don’t want to run any risk, sure, it’s a valid reason, but to damage the device is practically impossible just from installing another android variant.
Not if modern proof of ownership technologies are implemented, such as NFT smart contracts.