It will certainly make some bot farms unprofitable: Remember that they are now paying for a screen, a battery, a 5G radio, software licenses, branding, distribution and customer support for which they have no use.
Also consider this: While bot farms may be able to buy millions of Android devices, they will certainly attract a lot of scrutiny as they approach the billion mark. So bot farms will never own more Android devices than humans.
Remember that they are now paying for a screen, a battery, a 5G radio, software licenses, branding, distribution and customer support for which they have no use.
If you have the $$$, which the big guys certainly do, they'll just buy the bare attestation bits and figure out how to use them directly.