Having been introduced on consoles last month, bots are now making their debut on PUBG's PC test servers as part of update 7.2, and I think it's fair to say some players aren't very happy about it.
As explained by PUBG Corp, bots are being introduced in public matchmaking as a way to provide new players with easier targets and tackle the widening skill gap. Some have speculated, however, that it could also be a way to bulk up lobbies and reduce queue times due to declining player numbers.
In any case, PUBG Corp says the ratio of bots to humans is dynamic, meaning you'll likely see fewer bots at a higher level - although this also depends on the matchmaking pool for each server. Bot actions are currently limited to basics such as walking, running, crouching and shooting, but further actions are due to be added at a later date (including swimming, so watch out).
