Only 12 hours between an email and the account termination, with no real interaction and no way to change what seems not to be a serious problem.
That would change the time gap during responsible disclosure, Alphabet/Google is changing its metrics. I mean why only small developers would have to be mistreated.
If they play it that way, Android developers community can also report platform bugs to them - and go full disclosure (report the bug publicly) within 12 hours.
Lunakhod 1 was still responding in 2013 (40 years later) thanks to the NASA LRO (Lunar Reconnaissance Orbiter).
French website, as it was a (secret) collaboration between Russians and the CNES who provided the retroreflector:
https://sciences-techniques.cnes.fr/fr/web/CNES-fr/10757-st-...