Confusing. A different question.
Leave the plane in BKK yes and walk to immigration counter.
But by the rules you would need onward/return at immigration(!) and they can hold you and send you back with the airline that brought you (which than will hold you accountable).
Rule loosely/raty enforced.
Less likely than airline refusing you to fly/board at all.
Actually they should show the unedited photos, especially on national TV, then maybe Thai's would get it through their thick skulls that they are not invincible. Only then maybe we can put a stop to irresponsible riding/driving here in the Kingdom.
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