Why do the organisms in the "Venom" movie keep changing hosts? Can't one be strong and strong?

"Venom: Deadly Guardian" is adapted from Marvel comics. It tells the story of the protagonist who is invaded by unknown alien creatures and then becomes a superhero. I believe that Marvel fans are interested in the various abilities of Marvel superheroes. Everyone should know that there are magic, powers, etc. The organism in the venom needs to constantly change hosts because it can acquire all the abilities of the host. When the venom interacts with a new host, it can also retain the abilities of the previous host.

Here we can talk about how powerful Venom is and what unexpected abilities it has:

First, Venom can invade the network, which is considered the most advanced, movie The setting comes from a game. As the network begins to carry out massacres, this picture feels very exciting just thinking about it;

Secondly, venom will never have disease. In order to protect the life of the host, venom will After invading the host body, it will eliminate the disease-carrying viruses, which is really very powerful. In the movie, the protagonist has cancer, and the venom starts to eat the cancer cells so that the protagonist does not have to go to the hospital. However, if the venom leaves the male protagonist, the cancer will recur;

Thirdly, venom can regenerate limbs. In the comics, venom can regenerate limbs. After merging with the Flash, he can quickly repair the broken limbs of the Flash. If he can develop venom, he will not need prosthetics. Of course, this is a joke;

Fourthly, venom can turn the body into his own weapon. I've seen this in movies;

Fifth, Venom can blend into the environment to achieve the effect of invisibility. Regarding this point, Venom is actually not truly invisible. He just makes his body infinitely close to the surroundings. The environment gives people the feeling of being invisible.

Sixth, venom can be combined with anything, which is also stated in the movie;