IMO, just as with evolutionists feeling that people that believe in creation don't understand many aspects about evolution, it seems that many proponents for evolution don't understand many aspects of different creationists views, and just as with the evolutionists, there are divided camps of creationists.
One such view is that many creationists agree with gene mutation, changes within species over time, etc., but the major difference is where first life came from -- that many organisms were created and then changed over time to all the species we see today -- that there is change but within limits/parameters, even if some of the changes are viewed as large differences. Further, creationists generally view commonalities in nature as evidence of being created by one creator, much as there can be many types of things made out of clay by one person though each thing is still made of the same clay, and when going into genetics, what may sound like a very small percentage difference in DNA between one species and another is actually a much larger difference than simply looking at a percentile difference reveals.
There are many other views, as well, and likewise there are many strange theories among various camps of evolutionists regarding where first life originated and how, i.e. there being many proponents for panspermia (aliens planting life on the earth), etc...
I've previously spent much time doing research into both sides' views and feel there are generally misunderstandings and misconceptions by both sides -- each trying to simplify the other's views and sometimes setting up straw-men to tumble down. I don't even bother getting into online debates for the most part anymore (as I can't ever recall seeing one side getting the other to agree they are wrong) but rather try to find common views, such as agreeing the WT has messed up a lot of people's families and lives, etc.; it's far better to have fun agreeing on something universally affecting people that can be agreed on, IMO~!