If the post/thread you make contains the terms of a quality, constructive and informative post, then you have no reason for Merit Source to skip your post with Merit.
You can also report some quality posts here:
[Merit] Share your best posts/threads with Fillippone to be merit assessed
[self-moderated] Report unmerited good posts to Merit Source

|	RANK	|	REQUIRED ACTIVITY	|	REQUIRED MERIT	|	NOTES	|
|	BRAND NEW	|	0	|	0	|	Initial rank of users who have just registered and have not made a post.	|
|	NEWBIE	|	1	|	0	|	It takes 1 Merit to rank up to Jr. Member.	|
|	JR. MEMBER	|	30	|	1	|	~~	|
|	MEMBER	|	60	|	10	|	~~	|
|	FULL. MEMBER	|	120	|	100	|	~~	|
|	SR. MEMBER	|	240	|	250	|	~~	|
|	HERO. MEMBER	|	480	|	500	|	~~	|
|	LEGENDARY	|	775-1030	|	1000	|	The activity required to reach Legendary rank is different for each user (random)	|

source: https://bitcointalk.org/index.php?topic=2818787.0

Merit is the most important part of achieving a new rank. You just got two merits from @OgNasty, after reaching 30 activity you will automatically Up Rank to Jr. Member.