The election could not have been fair I dont know anyone who voted for the winner

What are the logical flaws in each of the following?
“The election could not have been fair I dont know anyone who voted for the winner.”
“It would be wrong to prosecute Allied for age discrimination. Allied has always been a great corporate neighbor.”
“The decrease in smoking can be attributed to increased restrictions on smoking in public.”
“Bills proposal to create an on-site day-care center is just the latest of his harebrained ideas.”
“Our Model X500 didnt succeed because we failed to sell a sufficient number of units.”