I also think that I need to go back to school because it seems I don't get the English language anymore.
"The PS5 has many improvements over a PS4"
"The PS5 comes in 2 different versions, a disc version and a digital version"
Then you get some of the Youtube videos:
"PS5 has many improvements over PS4"
"PS5 comes in 2 different versions, a disc version and a digital version" note suddenly the a's are back
I thought when you refer to a person it is, "Tommy has 2 eyes"
Then when it comes to objects it is, "The PS5 is out of stock, The PS5 has a new game coming out"