Agreed.
Just because PIS happens a lot doesn't mean it isn't still PIS. Superman is one of those guys with VAST amounts of superspeed, but whose superspeed rarely shows up in a story even when he might be better off using it.
Doomsday doesn't have any actual speedfeats on the level of he'd need to catch Clark. He just...does. Which is textbook PIS.
And occasionally we get scenes where Clark actually USES his superspeed.
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And Spiky-Beard can't touch him.