Presumably if the latter, one may express their support of the flag of their choice; or indicate their heritage; or any number of other reasons.
If the former, and considering the existence of a .uk TLD, they probably are considered to be “targeting” that market.
https://en.wikipedia.org/wiki//pol/
reply
https://www.ietf.org/rfc/rfc3514.txt
Presumably if the latter, one may express their support of the flag of their choice; or indicate their heritage; or any number of other reasons.
If the former, and considering the existence of a .uk TLD, they probably are considered to be “targeting” that market.