It is said that simple sentences can also be effective provided conveyed with positivity. Your Communication skills will be at anvil in WAT (Written ability test)
Agreed, that it is subjective to judge somebody on handwriting but positively objective to understand the personality on expression of thoughts in WAT. Selection panel has these dual objectives to test you in WAT hence; possibility is high that you might be asked few questions in personal interview based on your WAT.
Conclusion should be an open gate wherein one can add one’s own opinion and make it suitable in different situations. Ideally this should help you to be remembered as originator of idea and that’s the prowess of WAT.