Board Thread:The Flash discussions/@comment-33850693-20171206145554/@comment-24152851-20180109065326

Yes, people who know about it would care. That's why they're Easter eggs because they pander to veteran fans, not newbies. Only veteran comic fans would notice Man-Thing's head on the tower in Ragnarok, or know the aliens Stan Lee was talking to in GoTG 2 were the Watchers.