/// The Royal Family — the Queen, in particular — are also upset that Kate plans to move in with her mother after Prince George’s little brother or sister is born. ///
It's an American site.......and they are not noted for any particular veracity/accuracy in their stories.
If you must consult Google to find publications which 'back-up' your POV try and find something with slightly more weight.
Couldn't Betty just send over a few footmen and chambermaids from Sandringham for a few days ? She must have a few to spare surely ?
I understand from the link that this place has 100 rooms....what exactly are William and Kate going to do with so much space ? How many more children are they planning !
/// A daughter will always lean towards her Mum rather than her Mum in Law. what Kate does is normal. ///
Perhaps these daughters should consider that before they get married, if there is any leaning to be done it should be towards their husbands, also taking into consideration that their husband also has a family, so it should never be one sided, the umbilical cord has to be severed at some time.