Am still new in this space both in cryptocurrency and in this forum and seeing what is happening even to stable coins lately make me decide to put all my investment funds into Bitcoin since Bitcoin has never crashed
Never crashed? In fact, this is what we see nowadays, we are in a market crash situation where the entire market is affected including Bitcoin.
If you think that Bitcoin is immune to this, you can be wrong and I will advise you not to focus on Bitcoin investment alone but rather to split it. There are a lot of investment opportunities in your local (that are surely possible), you can invest them as well to back up your Bitcoin investment as this was a smart and wise idea.
Maybe he expressed himself wrongly and probably meant bitcoin doesn't lose value on long run, different from altcoins which lose volume, influence and adoption as the market evolves or when their hype is gone. So far bitcoin has been immune to crashes on long term, always surprising investors and enthusiasts positively when looking the bigger picture. Furthermore, I believe OP is already aware bitcoin is the dominant currency on this market, in every directions: upside or downside. It's bitcoin which launches the bullish and bearish seasons, while the rest of the market's currencies just follow its fluctuations. So it makes total sense to concentrate the investment in
BTC, that could be considered the "cause" and altcoins the "consequences" or "effects".