At the time of that public photo of Trump, his kids, and Epstein it was only known in certain academic and social circles that Epstein had an 'eyebrow-raising' interest in underage girls.
However it was more than ten years later when Epstein started being charged and receiving bad publicity that he became a "well-known paedophile".
Epstein's early years:
https://www.huffpost.com/entry/jeffrey-epstein-math-science-students-memories_n_5d28cf17e4b0060b11ebf987
