In some instances, yes. But the pros far outweigh the cons. Here are some reasons why you want to run branded campaign projects and how it can get you to the top SERP spot.
A smart approach would be to work your way to the top by generating affordable leads in a short amount of time with a small amount of budget by bidding on lower position, higher quality keywords. Then start to scale.
What to expect with Competitor Campaigns - You might decide to target the clients’ competitors.
DSA Campaigns are used as learning experiments - You may choose to build dynamic search ad campaigns because they help you learn what ad copy & keywords to use in the other campaigns, in case you missed any important and effective words.