Is it terrible that i....

[Asphodel]

I'd totally do the same.
And maybe a tiny blob of bluetack under one of Twilights hooves would help her stand up? Or maybe the white coloured stuff to prevent staining...

[Obsydian]

I'd love to do that! I think my Pinkie Pie is errored because her hole is filled in. I couldn't figure out what it was supposed to be for at first. xD

Read the instructions They're supposed to be filled in (oddly enough) and you gotta snap the comb into the slot.