I emailed RAD and they said they do not currently sell licenses for indie developers, so instead of Telemetry, I made a simple multi-threaded profiler for my client and server MMO today
It feels nice though it's not "stuff that makes the game interesting"
The api is these functions and about 113 LOC. The client-side UI code for it is 264 LOC. 💪 🔥

profile_generic
profile_begin
profile_end
profile_block
profile_marker
profile_frame_boundary
profile_section // Like blocks, but strictly flat regions.
profile_alloc_serial_export
profile_free_from_import
profile_alloc_serial_import
// The exporter/importer functions let me send profiling data from the server to admin clients

&world-of-squares