I sort of agree that the comment in the "2 Minute Tour" may be subject to misunderstanding and should probably be changed because of that. But is it a really big deal and could it be considered fine? Well, yes it could. My reasoning:
The comment said "This is great and easy to do. +1 - michaelpri Dec 16 at 2:43"
The "2 Minute Tour" said:
Use comments to ask for more information or clarify a question or
That comment is in a way giving that answer validity. And if that is the Questioner, that user is telling other users that this method will work fine for their problem.
I, however, think that it should be replaced, due to adding confusion. On the site it says avoid 1+ and Thank You phrases, this rule can be observed here:
Compliments which do not add new information ("+1, great answer!"); instead, up-vote it and pay it forward;
Criticisms which do not add anything constructive ("-1, see previous comments you scallywag!"); instead, down-vote (and provide or
up-vote a better answer if appropriate);
The original Question:
How to seal envelopes without licking