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The fact that you have to lift the heel to get to the toe is not a problem, as long as you have to do the same for both sides of the razor.
Honing such a razor is not too difficult.

The real...

If I lay it on the the stone with the round side and roll until the toe is touching the stone, then the heel is > 3 or 4 mm removed from the stone.
The other side lays flat on the stone, with the...

Last weekend I was honing a 5/8 smiling W&B that was really warped.
I also tried using my 1.5" wide coticule. It has rounded edges and is lapped perfectly flat.

But if a razor is really warped,...

I have one, simply because the shop I bought it in sold them for the same price as the slate backed ones. I think that it was an accident they had it in the first place.

Anyhow, natural combos are...

Even for medium heavy work the coticule is good enough.
But you don't really need an 8*3. For some razors a narrow hone might even be better suited.

Believe me if I could afford an 8*3 I'd buy...