> In regulation-happy Kumbaya all this historical stuff and especially steam will likely not be permitted to operate, even on their own museum property, without a "dispensation".

Not very likely, although compliance with the CFR steam locomotive regs has been required for many years.

> The militants and dingbats would probably try to ban cable cars as not ADA. Laugh all you want then take a look at the Demo candidates. And London and Gavin.

Already grandfathered, as is historical equipment at museums.