I hope the US soon passes legislation banning impersonation of the dead unless they explicitly authorized that use while alive.
Similarly Erica Garner's account is verified and was taken over by one of her friends after her death. Some controversy after account tweeted things in direct contradiction to what Garner said while alive.
The blue verified badge on Twitter lets people know that an account of public interest is authentic. [0]
It's not authentically Albert Einstein (which is objective), nor do I see how his estate posting science news from who-knows-where is of public interest (this is subjective, and there is enough grey area that it makes for a weak policy).
If an account is verified, Twitter should also explain why. This explanation could be in the users' bio.
0 - https://help.twitter.com/en/managing-your-account/twitter-ve...
It's not a long-dead scientist, but is still verified as such.