Well of course he should face a lifetime ban. So should every passenger who is abusive or aggressive to staff or other passengers.
People's behaviour is getting worse on flights and rarely do they face any real consequences.
Good luck trying to change the rude habits of that bunch of arrogant, ignorant, belligerent pigs. And the government wonders why they have difficulty attracting “quality tourists”.
As much as I detest that disgusting place I do see that it serves a purpose of concentrating a lot of the scum that comes to Thailand into one area (with the help of Patong). Easier to avoid most of them then.