Final Fantasy XIII series sold over 10 million games, do they deserve it?

[Gilgamesh]

Pos	Game	Platform	Year	Genre	Publisher	North America	Europe	Japan	Rest of World	Global
1	Final Fantasy XIII	PS3	2009	Role-Playing	Square Enix	1.64	1.13	1.87	0.46	5.09
2	Final Fantasy XIII-2	PS3	2011	Role-Playing	Square Enix	0.77	0.64	0.89	0.20	2.50
3	Final Fantasy XIII	X360	2010	Role-Playing	Square Enix	1.19	0.64	0.01	0.19	2.03
4	Final Fantasy XIII-2	X360	2011	Role-Playing	Square Enix	0.35	0.26	0.02	0.06	0.69
5	Lightning Returns: Final Fantasy XIII	PS3	2013	Role-Playing	Square Enix	0.00	0.00	0.41	0.00	0.41
6	Lightning Returns: Final Fantasy XIII	X360	2013	Role-Playing	Square Enix	0.00	0.00	0.01	0.00	0.01
7	Lightning Returns: Final Fantasy XIII	XOne	2013	Role-Playing	Square Enix	0.00	0.00	0.00	0.00	0.00
8	Final Fantasy XIII-3	PS3	N/A	Role-Playing	N/A	0.00	0.00	0.00	0.00	0.00
9	Final Fantasy XIII-3	X360	N/A	Role-Playing	N/A	0.00	0.00	0.00	0.00	0.00
Total	3.94	2.67	3.20	0.91	10.73

 

Does this seem right?