... you're perfectly welcome to compete with them, they're just not willing to provide their own product for that purpose. I also can't buy the schematics for Intel's latest chips, the source code for Windows, or a rocket from SpaceX to disassemble and study.

Like, there's a very critical point where you are asking to use their servers to directly compete with them.

This has been normal for somewhere between "decades" and "the entire history of commerce"