You can ignore it, tie it to unrelated company initiatives, or feign ignorance and simply not offer solutions that add to it. Or… you can adopt more above-board techniques such as Crawl/Walk/Run and the Reverse Farmer’s Rule, which reframe projects so that confronting tech debt is an upfront part of the plan.
Is it even ethical to begin with to sincerely assist a company to accomplish what it is trying to do? It seems like it would be more ethical to prioritize your own interests if the company isn’t itself altruistic.