I don’t think @red dragin said he supported not running the Perry, was just explaining the reality of the situation.
As for other theme parks and how they handle steam engines, well I can’t answer that as I don’t have a like for like comparison park….
if you can find another theme park with an operational steam train - that’s located on an island nation, a minimum 6-8 hour flight away for international tourists, has been devoid of said international tourists (and domestic ones) for a large part of 2 years, coupled with having only just begun to recover from killing 4 people through malpractices leading to low consumer confidence and resulting attendance, and then throw in owners who are notoriously tight-assed - then we can probably do a case study on how they can make it work when DW can’t/won’t…