Complex sentence: He made that clear in several comments on the site at the time, also denouncing what he said was its practice of hiring full-time employees as independent contractors in order to avoid paying taxes and employment benefits.
Split into simpler sentences: He made that clear in several comments on the site at the time. He left a comment on the site denouncing what he said was its practice of hiring full-time employees as independent contractors in order to avoid paying taxes and employment benefits.