It's their technique so that they can accumulate silently. After he told that statement before, he already countered it back. It's already bold that Jamie Dimon is a bitcoin investor but he just want to keep it hidden although the obviousness is there.

When I have heard of this news, I watched several Youtube videos for this very same content and the people on the comments were telling that before they've accused bitcoin only for criminals and now, they've joined the craze.