CC Dreadnought as Anti Tank?

So I was thinking recently about 5th Ed, specifically about dreadnoughts be they venerable or regular. Especially those equiped with the lovely drop pod.

The heavy flamer will be golden in 5th by getting rid of cover saves and even forcing a lot of saves on power armor, coupled by the ever present assault cannon.

But what got me thinking is that if a dread gets to charge a vehicle it swings at rear armor with Str 10. Thats about as good as it gets barring a fex or a vindicator.

Do Y'all think this would be a decent tactic? A pod coming down in their lines allowing the dread to flame and open up on one squad, and then in subsequent turns make the vehicles run away if they don't want to take Str 10 hits to their rear armor.

also makes a great distraction and divert some of the enemies fire awy from advancing troops. Who wants a Dread rampaging through their lines.

Diaper changes would be in order....LOL

Don't matter too me don't have much cept the battle wagon that has good armor. And unless I'm playin my Wagon army orks don't care cept you got closer for them!!! but yes I like that idea for tank bustin.