Earlier quoted context omitted.
That goes for a lot of companies operating out of NL though. They're there mostly for tax and stock issuing reason, but tend to be majority owned and managed by some US VC/PE/investment group or other kinds of foreign entities who need a EU HQ. It's what makes the NL jobs (and housing) market so hot.
I think in this case booking.com was founded in Amsterdam and were purchased by an American company at some point and they aren't there just for tax reasons. I guess it is possible it is the reason they stay there, though!
So they either stay in NL, or do some sandwich with London or Dublin. It helps that the main Dutch party VVD is completely corrupt and only in there to enrich themselves.