That scenario would lead to a price split where the vast majority of hashpower and value was with BTU.
No, it's not. It's completely unknown what would happen to price depending on random people power dumping 200,000 coins at once on each chain. Hell, both chains could crater to nothingness.
+1 Agree.
But if bitcoin can keep its integrity and fight off threats of fork, the price could go infinity bound with time.
I tried to go into the details of bitcoin, fork and undermining the system in an earlier post here to anyone interested:
https://bitcointalk.org/index.php?topic=1834310.0