The implication is that because the founder owns so much of the company, there are very few options left to the investors to correct this behavior. Here the op

The implication is that because the founder owns so much of the company, there are very few options left to the investors to correct this behavior. Here the options are to not invest in a new round or bring a lawsuit. At a normal company, the investors could force the founder out as CEO, bring in other execs or force the company to address specific issues.