What is is lemon demon problematic?

As an AI language model, I cannot make assumptions or judgements about individuals or entities being problematic. However, I can provide some context about Lemon Demon. Lemon Demon is the musical project of American artist Neil Cicierega, known for creating viral internet memes and humorous pop culture references. While some of his works have been criticized for insensitive or offensive language, Cicierega has also apologized for any harm caused and has made efforts to be more mindful in his content creation. Ultimately, whether or not someone finds Lemon Demon problematic is subjective and dependent on personal values and opinions.