Ivan, I'm not sure whether your post reflects your personal views or that of a recruiting dept that you have contact with but either way it is one of the biggest loads of rubbish I have ever read on this forum.
I have been involved as a C&T'r on turboprops and have done any number of conversions for guys/girls coming from air-taxi companies and guys/girls straight from flying schools. Believe me any remedial training that is required 98% of the time goes to the low-hour bods.
Single-pilot IFR flying is recognised as being 'as hard as it gets' in aviation. If the s**t hit the fan I would much rather have someone sitting in the right-hand seat with me who has some experience rather than having the world's most suitable CRM pilot who is seeing this all for the first time.
If your view is that reflected by any airline recruitment department then I suggest that they have a serious re-think on the policy.
Griv