I may be mistaken but I think some subjectively and reactionarily judge artists like Alex Colville based on misconception or misunderstanding or simply because they don't think the tradition of what has gone before within the art world is important to their own practice.
Egg Tempera - a slow process - Alex Colville Transcript
I wanted to be able to work for a long time on one image, that I couldn’t achieve the kind of thing I hoped to achieve in a short time. This is a kind of limitation in the …you know a great Chinese painter of the great period does something and it’s done, it may be done in a matter of minutes actually and it may, he may do, you know, thirty of them and one of them seems perfect. It’s a kind of gestural thing, it’s more in a sense like dancing or something in a way. My stuff, it’s a much more plodding procedure. Incidentally I should just mention extremely boring to watch, you know, that is a person would be just bored to death if they could watch me work. Far from it being interesting or exciting as some people think.