Для меня важнее художественная ценность, а не способ ее достижения. Имхо.

Они там хорошо об этом сказали в описании своих целей и задач.
Aviation Arthouse was started by aviation artists who found that the traditional aviation art market only caters for a certain group of artists and collectors. Aviation Arthouse is meant to get a bit more diversity on the market, with very high quality artwork, presented in a professional way.