Simplify the following text for a Grade 12 native English-speaking person.
Original: Some have questioned whether these criteria are sufficient , as they allow less-recognized entities like the Republic of China ( Taiwan ) or even entirely non-recognized entities like the Principality of Sealand to claim full status as states .
Simplified: Some have questioned whether these criteria are sufficient , as they allow less-recognized entities like the Republic of China ( Taiwan ) to claim full status as states .