This is sad to hear, and No slight on you. I ran an LGS for 7 1/2 years. The last time I really got an FNM with more than 4 players, that was not commander/prerelease, was either 2019 or 2021.

I tried so much to get people in to play at my shop. I only charged if we were doing a sealed/draft/prerelease. I gave out the WoTC promos, I gave out my standard decks I built, I threw a pizza party (0 attendees for that one).