Jazz fusion flavoring is one of the most powerful upgrades you can make to a fusion solo. Most fusion players already have the speed, the tone, and the groove locked in.
Rock blues flavoring is not something you pour on top of an existing blues solo. It lives inside the decisions you make before you play a single note: your tone setting and your pick attack.
Hybrid solos are where the most interesting guitar playing lives right now. The old record-store bin labels, blues, country, funk, jazz, rock, used to mean something distinct.