Agreed; 15% here in Canada is considered normal/polite/nice, but I also believe our wages for service workers are higher. The USA "$2.13/hour for tipped worker" feels like both business AND government forcing you to pay employee wages...

Canada minimum wage: https://www.labour.gov.on.ca/english/es/pubs/guide/minwage.p...

Liquor Servers Minimum Wage $9.90/hour