I think,
You need to show a belief in your opinion. This reference point is uncertain. It means you are unclear when it comes to the response you support. This will definitely lower the TA score in terms of task response.
kid are
Grammar error. "Kid" is singular, "are" is plural. The correct reference is " kids are..." or , " a kid is". "Is" refers to third person singular while "are" refers to present indicative plural.
On the other hand
This is signifies a non- connected idea and should be a separate paragraph. The presentation mistake left the previous reason under-developed and lacking in a supporting discussion. This will cause C + C deductions. You misused the phrase as a transition phrase. The transition word "additionally" would have better connected, while transitioning the discussion topic.
poses many risks.
This is a single opinion defense. The discussion does not call for a comparative discussion. This section will be disregarded as it doesn't support the thesis statement. The reduced word count could result in a failed final score as there are already other busting ewiors in the presentation.