Buyers under pressure to look competitive sometimes pair an escalation clause with a waived financing or inspection condition, which stacks two risks instead of one: an unverifiable price ceiling and no way out if a $400 to $600 inspection turns up a real problem. Removing a condition should be a separate decision from how far you are willing to escalate, not a package deal agreed to under time pressure.
A cap stated in dollars rather than left open protects you from the worst outcome, and having a lawyer confirm the exact wording before you submit is cheap insurance against a clause that reads differently than you intended once it is accepted.
Used carefully, with a firm dollar cap and financing and inspection conditions left in place, an escalation clause is a reasonable tool; used to win at any cost, it just moves the risk from the seller's side of the table to yours. Get your hand-reviewed valuation from Joel Dyck.