Ask any soldier, woman, child, or dog if they'd rather walk or ride ?
especially through sand, mud, snow, or any distance further than to the mailbox.
Instant infantry support,
Rapid(er) deployment to necessary positions,
Heavy weapons carriers, ammunition, food, water, fuel.....essentially an armored truck.
towing capability (anti-tank/anti-aircraft),
Somewhat protection (thicker than your shirt),

Yes, use them, if you have the industrial base/fuel.........go for it.

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All opinions expressed here are those of "Little Green Men" and don't necessarily represent views, positions, policy, thoughts, actions, or anything else.