Earlier quoted context omitted.
I’m an American who recently took a train in Europe from Paris to Brussels. Some brief thoughts: - It was so fast! Under 90 minutes for a journey which would have taken a few hours by car. Clearly much faster than a plane on this particular route, due to extra waiting and security in airports. - It was also a very comfortable mode. If you’re traveling with friends, it’d be very easy to socialize around a table. Quiet…
On this specific example > Amsterdam to London Eurostar runs a direct route, with passport control in Amsterdam. But looking at any link from Europe to London that isn’t directly served by Eurostar (i.e. any city except Paris, Amsterdam, Brussels) is going to suck.
If you want to play it super save, you can stop for a good meal in Brussels as you are taking a break in the middle of a city, rather than hanging around in an airport.