Cages with front opening

[Rashy]

I want to bring up a theme that I have been thinking about and have seen it been a discusion about it at a site here in Norway.
Hamsters are animals who dont like hands from above from natures side, but people still use cages, make diy cages and detolf where the hand does comes from above. I know that one breeder here in norway dont sell animals to people who will use cages with a opening from above as she noticed that her animals reacted in a different way when she started to use cages with a front opening.

I have started to use cage with front opening myself, and have noticed that my dwarf in the terrarium does react in a different way when I use the front doors.

So, what do people think?