Incompetent - maybe. As a novice dev myself - I understand that people are not too interested in playing trivial puzzle dress-up games, thou such games are easy to make. More than that - people are not interested in donating to such projects at all. As a novice developer I want my project to bring me enough income to make living and thrive from this income, making more games or better games or increase quality of what I'm doing.
Plus - one thing is to study game development/design/etc... the other thing - is to make games. Big companies has whole departments that research all kind of stuff, what people like, how they like it and etc... novice dev's - has no such luxury, so we make what are capable to make using resources and tools, that available for us.
Important! I'm not defending developer of MATM at all! From my point of view this team gained more resources in few month, than many developers won't make in a years, and even if whole team is lost(for example everyone say, that that had enough, and don't want to work with you anymore) - with this resources it's possible to replace all team, and continue to make project.
What I see in their activity now - they make game, that they are capable to do, and from what I see - they still receive impressive support, which means - they do good job, even if I may not like it.