Why Was The Roman Republic Worth Preserving?

In roman mythology, it is said that there were two twin brothers named Romulus & Remus they were both raised by wolves and they founded the city of Rome on seven hills. This tale takes place around 750BCE. Later on, Roman Kingdom was found by Romulus. Remus was killed by his own brother Remus.
SPQR: SENATUS POPULUSQUE RPMANUS which means “The senate and the People of Rome” it was one of the Mottos of Rome which laid the foundation of the great republic.
Some advocates in favor of the stabbing 23 times of Gaius Julius Caesar by the Senate members of Rome, like one of the renowned name in the English literature Shakespeare; according to him it was important to kill Julius Caesar because he was destroying the Republic.
Many people argue that killing of Julius Caesar wasn’t necessary it was rather a mistake. So, was Roman republic worth preserving? And Whether Caesar actually destroyed it?
The strongest factor of the Roman republic was its balance, according to a famous Greek historian
He instantly as he arrived there captured other parts of Gaul and his four loyal Army legions became his main source of power (X, VII, IX, VII). Caesar continued his conquests, invading Britain and waging another successful war against Guals. While Caesar was away Crassus died in battle with Parthains and Pompey, who had become Caesar’s rival and enemy, was elected consul. Pompey and the Senate decided to try to strip Caesar of his command and recall him to Rome. If he returned to Rome without any Army, Caesar would have been prosecuted for corrupt consoling and also probably exceeding his authority as governor, so instead he returned with the 13th Legion. He crossed the Rubicon river. Basically, Caesar was invading his own home town. Pompey was in charge of Rome’s army but he fled the city because of tactical