Even prior to the mass death, Jonestown was not the socialist paradise so many of its residents had hoped it would be.

I think they were surrounded by armed guards at the end - most of those attempting to escape the mass poisoning were shot and killed, though a few managed to get out.

The reasons for accepting the poison in 2021 started with free beer and donuts, free tickets to God knows what, then loss of job.

If you've got time to kill, the Jonestown movie with Powers Boothe is terrific.

https://www.youtube.com/watch?v=cEy93KCrsZ0