Yeah the best you could do is devote your entire life to hurting them specifically: find out their customers, undercut their service fees. Poach their employees. Use software tools to overwhelm their hiring process with ruses. Get into their supply chain and increase their costs. Find out where the high level executives get their vices and disrupt them.
But would be a total psycho with an exhausting life for most people... So best to just learn that ideas are a dime a dozen, dont give them out for free if they are good