Please discuss if you think this punishment is too harsh, or if it's appropriate, due to the gravity of the situation.
it really depends on his involvement in the match-fixing. I am sure they have criteria on whether someone who is involved in match-fixing deserves a lifetime ban or not.
Also, what is the impact of this case over gambling industry?
Why would this have an impact on the gambling industry? The gambling industry is very big and I don't think this incident will not have a kind of impact on the industry.