Why is the UK shunning 3DS/WiiU harder than elsewhere? (Virtually absent from top 40)

[Seece]

dark_gh0st_b0y said:
tablets and smartphone games are becoming boring really fast, people already switching back to the traditional 3DS, not sure why UK isn't...

3DS was up very slightly in the US in 2013, and very slightly in the UK too. Where is your evidence for people switching back?