Yes — scientists have a responsibility to avoid exaggerated or alarmist claims, because these can distort how the public understands results, especially in complex fields like neuroscience.
At the same time, strong claims can also be useful, since they encourage debate and critical responses, such as those from philosophers like Mele.
The best approach is balance: clearly state what the data actually shows, without overstating conclusions, but still allowing room for ideas that can be tested, challenged, and discussed.