The court also heard a victim statement from Mr Farage, which said: "I am concerned because of the behaviour of individuals like this, the normal democratic process can not continue in a lawful and peaceful manner".
He said Crowther now regretted his actions.
Crowther has been dismissed from his job and threats have been made to a dog charity where he volunteered.
Hegarty said: "Ordinarily a man of his position would receive a caution".
Hegarty said the attack was not premeditated for long, pointing out the £5.25 price of the milkshake and that there were cheaper options nearby it was a planned incident.
A crowdfunding page was set up for Crowther in a bid to get "his milkshake money back".
In the immediate aftermath of the incident on 20 May, Farage was heard telling a member of security staff he "could have spotted that a mile off".
Later that day, the Brexit Party leader said: 'I won't even acknowledge the low-grade behaviour that I was subjected to this morning, I won't dignify it, I will ignore it.
He also announced that Boeing was raising its long-term forecast for global plane demand, notably amid sustained growth in Asia. An aerial view shows the 53rd International Paris Air Show at Le Bourget Airport near Paris, France, June 17, 2019.
The United States wants its astronauts walking on the surface of the moon in 2024, but the mission is going to be expensive. Bridenstine also specified that the estimate represented money on top of the agency's current budget.
Thrash metallers Overkill wrote: 'Sending positive vibes to @DaveMustaine who has just been diagnosed with throat cancer. Dave Mustaine of U.S band " Megadeth " performs at the Rock in Rio Music Festival in Lisbon May 30, 2010.
The offer is good anytime for customers who order through the app or online , or from 2-6 p.m. for those ordering in person. The Golden State Warriors may have lost the NBA Finals , but their Game 2 win in Toronto means everyone wins on Tuesday.
En d'autres termes, avec plusieurs arrêts dans des gares sur le trajet mais avec des prix nécessairement plus abordables . Ces projets de lignes ferroviaires visent un début de service en décembre 2020.
The victim is the ninth American to die in the Dominican Republic within the past year and a half, according to NBC News. Dominican officials said his cause of death was a heart attack and pulmonary edema, or fluid build-up in the lungs.
Autonomous Domino's pizza deliveries starting later this year
Nuro, for the unaware, is a robotics company that has been trying to "transform local commerce through driverless delivery". The pizza will arrive in Nuro's R2 vehicle, a custom-built autonomous vehicle designed for delivering food and other items.