I'm very hopeful that Linux gaming will save the open PC desktop despite big tech is coming to destroy it. Or at least keep PCs alive for another decade. Gamers are still a huge factor as hardware customers. GOG creating a Linux launcher and Steam Box with SteamOS coming out soon should benefit PC users in general not just gamers since Microslop sees Windows like a social experiment where they can test AI on unsuspec…
There is nothing to save as long as it relies on game studios using Windows workstations, coding in Visual Studio and targeting DirectX. The goal has to be to make native Linux attractive, so that they actually bother to create native executables, using Vulkan and co. Until then it is no different from playing arcade games with MAME on Linux.
I would say it's a lot different, since it's an API implementation, not hardware emulation.