I have an open concept in the back half of my 1300 sq ft house and absolutely love it! I can move my easy chairs in the LR area around the hardwood floors to accommodate extra people or different family members can work around the kitchen area peninsula and visit when preparing meals. It is compact, easy to clean and so flexible in use. We can see out back to the gardens, walk into the patio and have free movement between the indoors and out.
If the open concept is a very large space, I may well feel very differently.