It's true. I've seen them.

Meanwhile there was that video going around of BART police arresting a guy for eating a sandwich on the platform.

If anything people might be more worried about doing drug deals in a confined space and not being able to flee making it easier to be robbed.

I don't know why you're downvoted so heavily. Any "drug deal" you'd do in a bathroom you'd do on any street corner.

Like in most cities, in the US atleast.

True I've seen a lot of open drug dealing. Rich people do their drug deals inside their homes.

In that case the loo can't be blamed for "increasing drug deals", which is fine.