No spitting please..
Well Send Clowns I think it would depend on your definition of good training.
And for which license/rating.
The US is hard to beat if you consider the amazing space at your disposal.
I've spoken to people that did 0-CPL IR ME in the US with trips to Miami/Orlando/Tampa/Memphis/Atlanta/Houston in their logbook(PIC not Dual). Know one character who came back with his CPL ME and the following break down in hrs:
275TT 125 XC( of which) 60 night 70 Instr. and 30 hrs actual IMC. Those numbers are hard to beat, and all of this in 4 months.
Very little if no chance that in Europe you can take a single engine into Paris/Hamburg/Amsterdam/Heathrow.
Sure 2000 mi XC are possible in Europe also but at what cost and the amount of hassle would be staggering.
For pure practicality the US is hard to beat. eg no additional cost for: landings, approaches, airways flying, border crossings.
Sure you can run into bogus flight schools and hopeless instructors but that is pretty universal.