It's a State ruse common enough - when there is a scandal story, the papers report that 'the police are looking into it' - so the public thinks, okay, this is in the right hands! Say no more! Then, lo and behold, nothing comes of it. Surrey Police used to do that with care homes that came to the press's attention.
Andrew's arrest sort of took the heat off him. And, as has been pointed out, was nothing to do with Epstein and his sex ring.
Andrew Lownie had another book about the Royals, Lord Mountbatten, published some years ago and it was well received and reviewed in the mainstream press. A chapter near the end is 20 pages of credible rumours about his rampant homosexuality and also his sexual abuse of minors in a Northern Ireland care home. It's reported in a very non-judgemental, non salacious way and is more damning because of it. It's like we're allowed to know half a century later - but even then a lot of info is still kept under wraps by the Royals.
It is even hinted that the IRA were allowed to get on with targeting him because his paedophile activities were known; his special protection officer was made to stand down 24 hours before it happened, and there are other such oddities.
Actually, having young women arranged for Andrew at Buckingham Palace is really not that scandalous or unusual in itself; pop stars had young fans or groupies directed to their dressing rooms of course, it's just that's 'okay' because they're said to be so sexually magnetic etc. You could argue that women who are actually prostitutes are at least less vulnerable than teenage fans - and as for them being taken to Buck Palace - shock horror - well, where else? It makes him less vulnerable to blackmail if it's on home turf.