Microsoft doesn't seem to care unless you're a company. That's the reason community edition is free. Individual licenses would be pennies to them, and they gain more than that by having a new person making things in their ecosystem. It's in their interest to make their platform accessible as possible.
For Visual Studio components that are versioned (like the C++ compilers/libraries), the version number is included in the component name.
You still have to install the tool that processes pyproject.toml so that doesn’t seem fair to hold against it. You are right that you still have to know whether to install 2022 or 2026.