Logia users in SH crew

As the title says do Logia users fit into SH crew?
Speculation:
The crew's strength would be increased at a super rate.
The crew's strength will be altered which might lead to an advantage of SH and make the story a bit boring.
The strength of the crew is a very important factor in the story and the crew need to advance according to the people who the SH crew will be about to face.
This factor must be maintained to get a...

Logia users in SH crew