Earlier quoted context omitted.
> For anyone with enough resources and time I'd encourage collecting citizenships like they were Pokemon. Care to elaborate? What kind of benefits one could get out of it? There's tons of information on topic from biased sources like law firms, but very little otherwise.
Except in most countries you can't have more than 2 or 3 official nationalities
In many countries you can't have two. But as long as "dual citizenship" is recognized, there is no upper limit.