Why do people shame others for not cleaning their tables at fast food restaurants and food courts? You aren’t doing anyone any favours. In fact you’re doing more harm than good. Not only are you taking away jobs, you’re allowing a perfect environment for germs to grow.
If everyone “cleans” their tables the staff will not come out from behind the counter with their sanitizer to wipe down the tables and chairs. Nor will they notice the amount of dirt tracked in and small pieces of garbage strewn about. Think about the turnover in these places. Is a once a night cleaning really okay with you?