Can't understand why you would need to ultrasonically clean a set of carbs that have been in constant use, I'd only think about that level of cleaning if the bike had stood with fuel in the float bowls for at least 3 months and the fuel has evaporated and left residue in all the internal drillings and jets.
Like everyone else has said the outsides would be spotless, not as clean as the Mikunis in Frecks post as they look as if they've been vapour blasted as well.
Looking at some of your close up photos there doesn't seem to be any evidence that the clamps on the carbs have been touched as normally you'd expect some evidence, however careful you've been, in the phillips slots.
Dependant on the bikes age I would have expected wear on parts, slides, needles, needle jets etc rather than a build up of crud in the carbs, looks like he cleaned the outer two carbs with Carb cleaner and a toothbrush.
Deffo take him to task on what he did for his money. You sound like you have enough knowledge to do a more than basic check and re-set of the engine to standard (Air Filter, TPS, Air Screws etc) yourself, at least you would know it has been done and have a base line to work from.