My research concurs. It does seem that pressure from rad fems and lesbians helped kick out PIE and Nambla. They just move on and change their names. The Trudeau Foundation has the triangular boylover symbol.
In Canada it was the normal folks that forced it. Back then nobody except the LGBT community knew what the fuck the letters in NAMBLA meant,
So long as the public didn't know, they were happy to have them at their events.
There was no Twitter, no Facebook, no smartphones to film and the Internet wasn't a thing. You relied on the media for information and they weren't saying shit
until the 89'/90'.
All the video and photo evidence is now sitting on rotting tapes in drawers or on Microfiche stuffed in boxes in the basement of newspapers, likely to never see the light of day.