Are there any downsides to keeping animals permanently indoor?

https://preview.redd.it/p1hetua4vghe1.png?width=1522&format=png&auto=webp&s=5bb9ee55fd013fc84c4ae0e132fb2249799c7abd

Other than the tedium of manually refilling water throughs instead of relying on the rain.

Also: Mad Dan mall in Echo Greek is a great base.