That doesnt change my point. You only own a license on a console emulator, unless it's like an arcade emulator that's strictly offline. Your shit can get shut down. The only way to truly preserve games is via pc or owning the original hardware with physical media.
This is wrong, it isn't the case of any console. You don't get any license to use emulators and the only emulators that require online are the ones running under game subs or cloud gaming as the ones inside PS cloud gaming or Game Pass Ultimate, or the ones played on websites (not only arcade ones, there are also of computers and consoles).
'Classic' and 'mini' consoles, portables or computers (SNES mini, PS Classic, C64 mini etc) or the Chinese clone consoles include emulators and emulated games, and in some cases they oficially allow you to insert your own games. You buy these devices, own the consoles and the embedded games, and you'll be able to play them forever, they won't be removed.
Consoles like RetroN or Pocket Analogue have emulators to allow you run original physical retro games that you own and will be able to play forever. In PC handhelds like Steamdeck you can officially install emulators. In Xbox, PS or Switch you can buy emulated games in their oficial stores and like any game you buy, you own it forever. None of these cases will be removed or shut down.
The only thing that in a few cases has been/can be removed or blocked from consoles is the access to install unoficcial, unsigned apps as can be emulators. Like when now in Xbox they removed it from retail mode in their consoles or then in PS3 they removed the Other OS. They do it to block the usage of pirated games on that hardware.
A separate story is, both in the case of emulating in PC or console (or any device), when using pirated games or console/computer bios downloaded from internet that you don't own. Depending on the case you or who provided these pirated (non free) games could get in legal trouble depending on the case, country, etc. But this is a separate topic.