As a consumer, you can decide what product you want to use. Let's analyze 2 scenarios:

Let's say, there is a product that is manufactured only by one company.

If you don't like how it is done, you can only stop using the product. This way you give up the comfort that it provides to you. But as it requires effort from customer side, less people will do it. This way, the product creator has close to 0 incentive to make the product better, because the worst case is, people won't use it. But if it is decent enough, people most likely will put up with the problems.

Also making something better takes effort, that costs money. So it is more cost efficient for the company to keep it as is, and try to sell more.

Let's say, a product is manufactured by multiple companies.

If you don't like how the product works, or you have some problem, you can choose another company to go to. As there is another option for the customers to move to, the company is incentivized to make better products then the others, otherwise, they will lose customers. Maybe the lost customers will even suggest their newly used product to their friends, which moves the newly creatable customer base to the other company.

So in such an environment, companies have to compete to keep their old users, and to get new users.

So we can say, that competition drives quality. So bigger the competition, the bigger the incentive to make more quality products. So the more competition there is, the better for you.

Now let's assume, you agree with me, and you want better products, so you decide you want to do something. To increase quality, we shall define market conditions, that effect competition:

The harder to enter a certain market, the lower number of competitors there will be.

Ever wondered why only a few telecommunication companies are there? Usually businesses try to change the legal framework to increase the barrier to entry. This way they decrease competition, and make them earn profit more easily.

Money shall be only earn-able by work, not by printing it.

Money printing creates an environment, where people rather stand in line to get free money, instead of working, because instinctively we go for the least resistance. Why would you work hard, if someone else can get the same amount of money just standing in a queue, that worth the same you worked hard for?

If someone invents something, he shall share it, so that others can improve it. This in increases the feedback cycle, and creates a high growth environment.

Capital goes for the highest reward / risk ratio. Market shall not be controlled, so that capital would be allocated by real reward / risk ratio, and not an artificial one.

If you want better products and services, you shall increase the competition. To increase the competition, you can work on the above mentioned areas.