Complex sentence: Many Kickstarter backers have expressed their frustration with the company's continued lack of communication about the project, inferring that it is suffering from a lack of personnel in its production team, along with other issues.
Split into simpler sentences: Many Kickstarter backers have expressed their frustration with the company's continued lack of communication about the project. It is widely regarded that the project is suffering from a lack of personnel in its production team along with other issues.