Yes, they very frequently do.

Taking down "bad" Google reviews is an entire industry these days [1].

And of course there are scammers on all sides - not just legitimately bad stores trying to whitewash their online presence, but also entire scammer rackets that extort legitimately good stores by flooding them with BS reviews [2].

[1] https://www.linkedin.com/pulse/how-shady-companies-remove-ba...

[2] https://9now.nine.com.au/a-current-affair/inside-the-extorti...