The problem with "must have product in the market" is the same as with the idea of fixing the domain name system by adding a requirement of "use it or lose it".

The problem with "must have product in the market" is the same as with the idea of fixing the domain name system by adding a requirement of "use it or lose it". Who gets to decide what "having a product in the market" means? It's impossible to generalize this to an objective set of rules. Thus we'd soon be back on square 1 (read: in the court room).