Here are videos from 2 locations where protestors fought the police and pushed past them. That is the opposite of letting them in. IMO I think the instances where they were "letting people in" were because the barriers had already been breached on other sides so there was no point holding lines where there would already be people in behind them.

https://twitter.com/trbrtc/status/1347077988756676608

https://twitter.com/KySportsRadio/status/1347031398176223233

This is the video that really got me thinking about this: https://old.reddit.com/r/PublicFreakout/comments/kt2u9v/conf...

Not sure what happened, I hope we find out, but this video is especially damning.