> The problem is that you can't really capture the pronunciation
Can you do that in general if you don't know the actual language, though? Even native English speakers sometimes have issues with certain borrowed French words, despite those being in English.
Fair point, I think it just looks silly to me because I'm not used to it and in this modern age it seems a bit quaint. The other thing is that sometimes it might not be immediately obvious that Matthew Perry is the same person as Metju Peri. And since today everyone is exposed to english and other big languages, knowing the original spelling can be considered a part of basic literacy.