However, the Working Group also cautions against the diametrically opposed view, which suggests the will to deliver the 4-day week at pace and scale is all that is required.
Fodd bynnag, mae'r Gweithgor hefyd yn rhybuddio yn erbyn y farn gwbl groes, sy'n awgrymu mai'r ewyllys i ddarparu'r wythnos waith 4 diwrnod ar gyflymder a graddfa yw'r cyfan sydd ei angen.