Smoking is debilitating, so is alcohol, drugs and gambling. Since the last >100 we see a trend to gradually restrict them, one by one, albeit inconsistently. Smoking was a casual habit in the 60s, next it was banned indoors and now before a certain age. In the (not too) distant future it might me totally banned next to its cousin, cannabis. Tldr, the decision is not surprising but expected, following the trend.