We all need to have our wits about us and recognise potential scams as these scammers are becoming increasingly innovative,desperate etc and seem willing and ready to stop at nothing in attempts to carry out their crimes
Did you actually check or are you just assuming 🤔, they might have looked like they had 2 but in actual fact on closer inspection only have one,this has been the norm for a while now and goes back to the late 90's and early 2000`s lol
Might also be advisable to have your 4 wheel alignment/geometry done too,just for peace of mind as your rear tyres wouldn't wear on the inside for no apparent reason