It's not nice to accuse someone of being dishonest.
It is fine to disagree with a different viewpoint, but please limit this to challenging the idea and not make your comments a personal challenge or make derogatory personal comments about individuals
From the TOS:
Discussion can be animated, which is fine, but we do not welcome personal attacks, on- or off-board. Derogatory, insulting, or belittling statements, directed at other members as well as direct or indirect personal attacks are not permitted on our forum.
It is fine to disagree with a different viewpoint, but please limit this to challenging the idea and not make your comments a personal challenge or make derogatory personal comments about individuals or their choices or circumstances, which disparage their ideas, opinions, their occupation or their personal situation. These examples are not exhaustive. Insulting or disparaging another member is a personal attack regardless of the manner in which it is done. These offensive comments are contrary to the spirit of legitimate, reasoned debate and damaging to the purpose of our community.