The 407 doesn't need to extend to West Kirby. West Kirby / Hoylake / Meols to Birkenhead passengers have got the 438, as well as an excellent rail service through Birkenhead and continuing on to Liverpool. And connectivity has been added to the network through the 483, which links West Kirby / Hoylake / Meols passengers to Arrowe Park Hospital (the major hospital on the Wirral) - and in the case of Hoylake / Meols passengers, to Greasby - for the first time in many years. There is an argument that the WK - Moreton leg has been reduced from its current 5 buses an hour (3x407 and 2x38) to 3 (2x438 and 1x483/4), which may or may not prove to be sufficient for the demand, but that's relatively easily tweaked should the situation arise after a bedding in period.
As for extending the Birkenhead circulars into Liverpool - why?!? The Birkenhead-Liverpool tunnel already has ample buses, with a simple connection at Birkenhead Bus Station. Extending the likes of the 491/2/5 through the tunnel would benefit very few people, and add to the already chaotic situation regarding Wirral bound buses in Liverpool City Centre - not to mention introducing the liklihood (some would say near-certainty) of importing traffic delays to these services. Oh sorry, I said NOT to mention the liklihood of importing traffic delays to these services!
One thing that does need amending though is the timetable for the 482, which many would read as suggesting the service goes to Heswall [rail] Station. It needs to say Heswall
Bus Station (my emboldening), as with other services that call at this facility (For those unafmiliar with the area, Heswall [rail] Station is a good mile from the Bus Station - it's what used to be called Heswall Hills.) The journey takes six minutes on the bus (the new 453).
Image below shows the present version of the 482 timetable:
View attachment 211634