domingo,we all have our opinions and if your wire wheel method works for you, great,but I know that wire wheel will never get deep enough into the bottom of the pit,you have to admit, some of those pits look like wood eaten by termite and some are so deep that only blasting will remove all the rust,by wire brushing, you cover up the rust most of the time,and it seems OP has air compressor,so picking up a Speedblaster and hitting few spots will not make a big mess or cost alot of money, removing old paint and sanding creates just as much of a mess as blasting few small spots, I do this everyday for a living, so I'm speaking from 20 years experience not from one project.

Now, let OP do whatever he choose and lets stop arguing