Looking on the internet deeply has found these results:

I think that's a matter of personal opinion. is the most popular phrase on the web.

I think that's personal opinion. 12 results on the web	I think that's a matter of personal opinion. 116 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
Aug 21, 2012 ... I think that's personal opinion. I still find it kinda fun ^_^. Reply � Like. � 109 � August 21, 2012 at 9:09am. Alex Dunn � Top Commenter � RIT. Mar 26, 2015 ... Not going to argue whether Heart Strike should come back or not, I think that's personal opinion and there are good arguments for both sides�...	Nov 7, 2014 ... ... had not received any complaints regarding the posters and as to whether they are offensive � I think that's a matter of personal opinion�. The only thing we weren't as keen on was the modern costumes in the Opera but I think that's a matter of personal opinion on how Opera's ought to be�... Oct 27, 2007 ... cshell010891 6 years ago in reply to pwnage38. I think that's a matter of personal opinion. Read more Show less�... Sep 17, 2014 ... I think they earned their title of living Rock Gods, as far as Slash as a guitarist, I think that's a matter of personal opinion. There is no reason to�...

I think that's personal opinion.

12 results on the web

I think that's a matter of personal opinion.

116 results on the web

More popular!

Aug 21, 2012 ... I think that's personal opinion. I still find it kinda fun ^_^. Reply � Like. � 109 � August 21, 2012 at 9:09am. Alex Dunn � Top Commenter � RIT.
Mar 26, 2015 ... Not going to argue whether Heart Strike should come back or not, I think that's personal opinion and there are good arguments for both sides�...

Nov 7, 2014 ... ... had not received any complaints regarding the posters and as to whether they are offensive � I think that's a matter of personal opinion�.
The only thing we weren't as keen on was the modern costumes in the Opera but I think that's a matter of personal opinion on how Opera's ought to be�...
Oct 27, 2007 ... cshell010891 6 years ago in reply to pwnage38. I think that's a matter of personal opinion. Read more Show less�...
Sep 17, 2014 ... I think they earned their title of living Rock Gods, as far as Slash as a guitarist, I think that's a matter of personal opinion. There is no reason to�...