GEORGE BIZOS
Yes, that is a condition or threat of going over to violence in the future at some time.  Look at the last sentence of the previous paragraph Mr Derby-Lewis.
"There were 130 000 people present on that occasion, how many of them have gone out and planted bombs?"
as a rhetorical question, as reproof of Mr Botha that he was alone and that is why he stood alone at K-court in Pretoria and nobody went there to give him any moral or other support.