It's not "whataboutism" when giving a specific example to a generalized statement.
Really? Can you give examples? Have Trump family members been appointed to corporate boards solely based on their political connections? Has the Trump family been taking bribes and payola like the Clintons did to include selling influence for cash and covering it as a political donation and chance to stay in the Lincoln bedroom at the White House?
Look up the Keating seven or Randy 'Duke' Cunningham, or the House banking scandal. This isn't a one-party thing. There are lots of corrupt politicians out there. The Clintons and Bidens make Trump look like a goddamned saint by comparison when it comes to corruption. U S Grant's administration was horribly corrupt for a Republican one. Reagan pulled some squirrelly stuff. LBJ was as corrupt as they come. Congress is full of corrupt assholes.