Waeth beth fo’r rhesymau a nodwyd gan y llywodraeth, effaith addoediad mor anarferol o hir fydd cwtogi gallu’r Senedd i drafod a chraffu’n briodol ar delerau ymadawiad y DU â’r Undeb Ewropeaidd; ac amddifadu’r Senedd o’r cyfle i fynegi ei hewyllys drwy ddeddfwriaeth, pe bai’n dymuno gwneud hynny.
Whatever the government’s stated reasons for it, the effect of such an unusually lengthy prorogation is to curtail Parliament’s ability to properly debate and scrutinise the terms of the UK’s exit from the European Union; and to deprive Parliament of the opportunity to exercise its will, should it wish to do so, through legislation.