On the topic of Steam, according to their terms of service, you buy non-transferable licenses for access, and they will argue you can't inherit the games of a deceased person: https://arstechnica.com/gaming/2024/05/after-you-die-your-st... . This follows a tradition of digital media providers asserting deep control over things that you might think you "own" : https://www.nytimes.com/2009/07/18/technology/companies/18am...
(I had a hard time fitting this thread into the blog post and eventually cut it)
Unless the matter of concern is a legal or financial one (eg: bank accounts, pensions, insurance, etc.), quite literally nothing and nobody else requires knowledge that the account holder passed away.
Never tell Valve that your gamer dad passed away and they will be none the wiser and noone will have any problems as you "inherit" his account and its associated games. You're not trying to defraud Social Security as a 150 year old, after all (...right?).
Why take the chance for games that you can get DRM-free and transfer independently from some live service.
Please don't state something as a matter-of-fact if you don't know it to be true but just merely believe it to be true. Otherwise please link to an instance where a probate court has ordered it with a successful outcome.
It seems like a novel idea and I hope someone tries it and posts about it.