It depends on the bettor some bettors are good with in game or live game and some bettor are good when betting in pre match game, since not all bettor could analyze the game pretty well in live game also in live game it could be risky in my opinion.
Correct. Betting in live game will just give you crumpled decisions that will lead to future losses. Analyzing a game is a must, knowing the possibility of chances of a certain team in winning by using the information they have like watching the past videos of a game in sports to have solid decision on where to bet and how much bet they will risk.