sparked a heated controversy
Do not exaggerate when stating the original topic. There is no heated controversy, there is only a public discussion. Over stating the facts lead to prompt deviations, which in turn, will result in faulty task responses. You will be given a low TA score in terms of restating the topic.
egalitarian
I know that you are trying to impress the examiner by using advanced English words. However, you are actually going to receive better a better LR score if you use easier to understand words. These are called layman words which, when actually looked into further, are just everyday English words that can easily be understood by even ESL speakers. Aim for simplicity. You are not yet at the advanced English level with regards to word usage.