If this is so good, why so deceptive?

Groomers in schools through 3rd parties allowing schools to deny grooming.

2 thessalonians 2: 10-12

10 and with all the deceit of unrighteousness in those who perish, because they received not the love of the truth, that they might be saved.

11 And for this cause God shall send them strong delusion, that they should believe a lie,

12 that they all might be damned who believed not the truth, but had pleasure in unrighteousness