Definitely is a market for everything, but may not be big enough to scale/duplicate
eg, LAX private suite opened in 2017... For private planes, or those who want privacy but flying commercially
They said they're planning to expand to miami and jfk but no dates
UA offers discounted pricing for private suite:.
Private Suite @ LAX for UA
Something cheaper? Better than UC (day passe/membership) but less expensive than private suites? Tough