Coco coir suits sativas better than soil in my tent, because the faster root growth and daily feeding keep pace with a plant that never stops stretching. Soil is more forgiving and the flavour is better, but a big sativa in a soil pot tends to exhaust it before a 14 week flower is done. A medium comparison on https://hazesativaseeds.com ran the same Haze cut in both and logged the differences in height, finish date and dry weight. Neither is wrong, it depends on the attention you can give.