Arguments from analogy can be useful to infer some possible further similarity. So as a creative, inductive process. But using an argument from analogy to say

Arguments from analogy can be useful to infer some possible further similarity. So as a creative, inductive process. But using an argument from analogy to say why something can't or shouldn't be done is yes, as you say, problematic, because it's 1) usually easy to pick apart the analogy but also because 2) it's intellectually dubious and lacking in rigour.