If Kent Escapes can't make Alicante work one has to wonder if any "bums to the sun" flight from Manston will be worthwhile.
If I remember rightly, EUJet served ALC, AGP, PMI, FAO, GRO and MJV, and most of these were quite popular, so obviously it worked in some cases!
Secondly, Malaga is a more popular airport for charter/tour operators, so I am not suprised that Kent Escape's load on the MSE-ALC route has been lower than expected.
I think LPA would be great if Kent Escape's can pull it off!