Meant to be
So do we, though most of them (Wops, Dagoes, Frogs, Krauts) are either fairly mild or due to them being enemies in wars that we won. Also quite mild (but best be careful using) are Taffies, Paddies, Jocks, Kiwis, Aussies, Saffers etc. The stronger and less acceptable ones are either from the colonial era or about immigration
For Poles, that never happened so it tends to be neutral and the recent wave of immigration happened after people stopped making terms like that up.