5% worldwide? It absolutely matters where you live. Look at progressive countries and you will see that it is not that low a percentage when people actually make an effort: https://www.scb.se/en/finding-statistics/statistics-by-subject-area/environment/waste/waste-packaging/pong/tables-and-graphs/recycling-targets/

None of this knowledge is a reason to not use recycling when it is available. When you have a waste bin and a recycling bin and just put plastics in the waste, that’s a douche move.