The thieves call it sampling. A simple obfuscation to allow them to justify/rationalize a good old fashioned ripoff.
Meanwhile, this new British band had their first no. 1 hit in the U.K. with their version, and did okay in the States also. Womack started getting some nice-sized checks in the mail. After that, he didn't mind the fact the Rolling Stones covered his song.
They figure it’s even stevens for rock bands ripping off blues artists.