Just do the mathematical calculation on the odds of the earth being placed exactly where it is with all the necessities for life being present as we know it.
Now do the mathematical calculation on the odds of even a single cell lifeform crawling out of that cesspool and surviving.
Now do the mathematical calculation on the odds of that single cell lifeform mutating into even a two cell lifeform.
Do these mathematical probability calculations and then tell us what you think.
Well, out of all the hundreds of billions galaxies, all the hundreds of billions of stars in those galaxies with planetary systems, and all the planets in those systems... Odds are at least 1 planet had the right conditions for life to develop on it, survive, and evolve.