here’s three, two if you want to be pedantic about campus (who am I kidding, of course you will be)

Well lucky us, we can now shave a couple bucks off of the three digit price tag because two of them are 10% cheaper than I thought. I suddenly can now afford it all! Who would've thought? /s
The only one being pedantic here is you, thinking this would change anything about the point made. But thanks for the irony.

The number of DLCs that have not been on sale can probably be counted on a single hand.

Yeah, just like you can count the amount of discount on one hand.

It is a valid argument. You won’t ever actually need most of the cosmetic packs, even if you do there is the workshop as a free alternative.

Ah, the good old "the modders will fix it" argument to defend the actual developers & publishers continuing to do this shit.