Poland has strict, if not stricter requirements for Americans trying to visit
No Poland doesn't. You buy a ticket, use your passport, come on in and get up to 90 days to hang out in Poland without needing a visa. You just can't be a terrorist, murderer on the FBI wanted list, etc.
so do British people
No, you don't. The UK is a member of the
Visa Waiver Program. Poland is not and wants to become a member of that program.
state.gov/secretary/rm/2012/03/185355.htm
Press Release about the meeting between Sikorski & Clinton. All the flaming hoops Poland will be jumping through in the next couple of years. And a "No" to Visa Waivers.