This is one of the main reasons that governments are pushing for cashless systems, because there is less evetax evasion and increased revenue
The builders benefit because they then wont pay any income tax on the job
This also means that if you stiff your server and leave no tip, they are still getting taxed as though you left 10%. If you really want to be a jerk, be slightly less of a jerk by leaving a $0.01 tip on the receipt. This will also allow them to post it to outrage-fueled social media for a tiny bit of temporary fame.
Most people aren't that invested into stigginit to da Man, or at least not just via their restaurant tips. You'd be better off paying cash for everything, no-receipt requested, and not involving the electronic point-of-sale till at all.