I disagree with the assessment of the second movie. Scott had some moments where Pym's tech let him down, but he faked out Jimmy Woo's Unit almost constantly, foiled the Ghost, and got his own wombats to help cover and put Sonny's guys in jail while saving the day, and saved the lab with giant power.
If anything, he gets treated badly by his sidekick who supposedly trained all her life, and his mentor who should know better, and outshines them at every turn.
CES