If anything, Pantherian’s lift hill almost certainly has parts that are far less common than what’s used on most modern launch coasters.
This is correct.
If you want to compare Pantherian's lift to a launch, you have to compare it with a hydraulic cable launch a la Dragster's or Ka's.
Pantherian features a very "boutique" lift system and it takes that system to an extreme. It has long had issues and there's no reason to believe such issues won't persist throughout the rest of the attraction's life.
Kings Dominion is a mid-tier park in a chain that
hates uniquely problematic attractions. I'd endure these large blocks of downtime over losing Pantherian
any day. So far, Kings Dominion has agreed and the park has consistently strived to get the ride through its history of long-term closures. Eventually Six Flags will decide to pull the plug though and, when that happens, we will pine for the days of these semi-regular, multi-month closures.
I wish Pantherian didn't have these issues, but it does. I wish Kings Dominion were part of a chain that takes a more proactive approach to upkeep and downtime prevention, but it doesn't. I wish Pantherian were open right now, but it isn't.
Given the array of reasonably predictable potential outcomes here though, this is the best we could realistically hope for. Be patient with Kings Dominion as they fix it and enjoy Pantherian to the fullest extent of your ability when it eventually comes back online because each time this happens, we're closer and closer to the end.