Had His majestry Prince William actually pull off the stunt, the would've been follow up articles reported all over the internet and maybe even a ceremony to prove that.
While William may be genuine when wanting to destroy the Queen's collection, the act for him to follow through is not easy as he would be destroying the Queen's collection, not his collection. Let's be serious, do you think the rest of the royal family alongside with historians, artifact admirer and other people within the 1% would allow an unproven member of the royal family to destroy years of British history? very unlikely.
But the prince's consistent move to oppose a family history of hunting is definitely bringing light and hope for us animal lovers and the animals who we stand up for.