While I think that the most normal thing is that they are cheaters, and I see that all those who have commented think so, could that addres not be a consolidation address of a CEX or a casino, for example?
Unlikely, as every address that sent funds to 3LWqmX76zVN1x43vzk6UWeZiNGbfuezfPv received funds from an address belonging to a review campaign participant.
This is the exchange address:
https://www.blockchain.com/explorer/addresses/BTC/3LWqmX76zVN1x43vzk6UWeZiNGbfuezfPvIts part of a
wallet with several bitcoin and over 345,000 addresses in it.