It doesn’t matter that she deleted it - it had been seen by 310k people and screenshots/ retweets were shared further.
Her sentence - including reductions - was in line with the guidelines for the crime she admitted to against the advice of several barristers and her husband.
One person within the probation service saying ‘you’ve upset a lot of people’ isn’t evidence of any conspiracy, it’s evidence that even people within the justice system have personal takes on the situation.
The former Home Secretary is a racist according to several organisations who complained about her to the bar association.
The home leave - I don’t know. From the telegraph article it seems that she was quite ranty in her letters - perhaps home leave work a bit like probation and you need to show contrition?