When people complains about the service - it is rather subjective experiences, all depends on who you've talked to. My experience at this Timmy is great - the cashier was polite, patients, and most importantly - didn't mess up my orders.
What kind of service are people expecting from fast food chains anyway? These workers get minimum wage, no tips, and constantly dealing with rude/unreasonable customers, and not to mention some supervisors are full of bs (I can imagine).
So the lesson of the day is, be kind. Also, at this location you can line up in front of the ice-cream bar for your orders too.