I think Dresser's beef with Brands is that he thinks that Brands "ducks" from difficult situations. Whether that's true or not, depends on each person's viewpoint.
The background deals with the National Dual matches at the end of the year. Basically, the National Duals are "bowl"-style dual meets, pitting the highest ranked Big Ten teams against the highest ranked non-Big Ten squads.
In 2016, Dresser's Virginia Tech squad beat NC State to claim the ACC title and assumed that they would be sent to the higher ranked dual match-up. However, when the match-ups were announced, VT ended up with #8 Michigan and NC State got #2 Iowa. Dresser was very vocal about this - called out the NWCA (who sets up the match-ups) and claimed he was lied to about how the match-ups would be determined. Also called the Brands brothers a bunch of oranges (a substitute for the word "p*ssies") and claimed that they knew VT presented a tougher match for them and talked the NWCA into switching the match up. Really pushed the idea that Iowa was afraid to face VT, The NWCA's official statement was, even with the loss to VT, NC State was the higher ranked team in the coaches' poll, so they got the match-up with the higher-ranked Iowa.
In 2017, after all the regular season meets were finished, the format should have matched up (#5) Virginia Tech against (#3) Iowa at Virginia Tech. Instead, Iowa was matched up against the lowest ranked team - #23 Edinboro. Why? No one seems to know (unless something more came out that I'm not aware of). Even Cael Sanderson pointed out that the agreed upon format was for the top 8 ranked Big Ten teams to be matched up against the top ranked teams from the other conferences.
Again, Dresser accused Brands of "ducking" a tough match-up. Supporters of Brands claim he refused to wrestle at Virginia Tech given the bad feelings from when he left as head coach at Virginia Tech to take the Iowa position. I don't know that Brands ever spoke out.
Basically, Dresser thinks Brands is afraid to suck it up and face difficult situations and probably thinks that the 197 forfeit is just another example of that attitude.
Wrestling drama - gotta love it!