Firstly, cut the sass.
Secondly, I have no problems with exterior shots being models or CGI, nor do I have problems with CGI or model elements outside windows.
This:


seems excessive to me.

Yes but that's because, in his infinite wisdom, George Lucas said "fuck sets, sets are for losers, we're filming this all on a green screen then badly shopping in the backgrounds later".
So while the miniature work might have been extensive it was also largely pointless.