It’s your company and you’ll learn the same lessons every other companies have learned in the past.

People are usually passionate about fun, interesting things. People are not passionate about boring, tedious things. Customers pay big bucks to have people do the boring, tedious things correctly.

Who is going to sanitize inputs to prevent basic sql injection hacks? Who is going to write basic unit tests to get at least 50% code coverage? Who is going to code review for basic functionality and quality standards?

Most companies ignore all the tech debt, and hope they exit before the debt comes due. Most companies fail.

Good luck.