Trusts: would any “strange animal” be a “monster”

A recent Supreme Court Case took a surprising position with respect to trusts. As in other cases, the conclusion might have been influenced by specific facts and circumstances and by a manifest tax goal pursued by the taxpayers.
However, the legal arguments to support the judgement are quite shocking and show that in certain contexts trusts are still regarded as “strange animals”: but is this enough to make them “monsters”?