If GR does not send rejections, then the email is either a glitch or terribly phrased, as the email would be a rejection in itself.Actually, the GR team has this policy of not sending rejections. If you do not hear from them, it is a rejection
The only other alternative is that PHurst already filled up their scheme with the Insight people before the deadline but that is both unlikely and incredibly harsh/disrespectful to allow people to still apply if the spaces were already pre-assigned.