There are just too many questions that the claim leaves open.
The author could not cover all of the topics listed above, yet the generality of the claim leaves all of these possibilities open to debate.
The broader your claim is, the more evidence you will need to convince readers that your position is right.
Example of a thesis that is too broad: There are several reasons this statement is too broad to argue. Is the author talking about illegal drug use, recreational drug use (which might include alcohol and cigarettes), or all uses of medication in general? Is drug use causing deaths (and is the author equating deaths from overdoses and deaths from drug related violence)?
Whether you’re writing an argumentative paper, an informative essay, or a compare/contrast statement, you need a thesis.
Without a thesis, your argument falls flat and your information is unfocused.
Although the scope of your paper might seem overwhelming at the start, generally the narrower the thesis the more effective your argument will be.
Your thesis or claim must be supported by evidence.
Example: Which type of claim is right for your argument?
Which type of thesis or claim you use for your argument will depend on your position and knowledge of the topic, your audience, and the context of your paper.