While there is no one definitive answer there are some compelling reasons why guinea pigs might prefer small spaces.
Guinea pigs are prey animals meaning that in the wild they are constantly on the lookout for predators.
This means that they feel safest when they are in enclosed spaces where they can see all around them and there are no potential hiding spots for predators.
In addition guinea pigs are social animals that thrive on companionship.
This means that they often feel more comfortable and secure when they are in close proximity to other guinea pigs.
When they are in small spaces they can see and touch their companions which makes them feel more secure.
Finally guinea pigs are very curious animals.
They are constantly exploring their environment and investigating new things.
This means that they often prefer to be in smaller spaces where they can more easily explore all of their surroundings.
So while there is no definitive answer to the question of whether or not guinea pigs like small spaces there are some compelling reasons why they might prefer them.
If you have a guinea pig you can experiment to see what kind of space he or she prefers.
Try placing your guinea pig in a small cage or enclosure and see if he or she seems happy and content.
If your guinea pig seems stressed or uncomfortable try giving him or her more space.
Ultimately you will need to experiment to see what works best for your individual guinea pig.